Silicon Chrome Wire Spring from Japan
Silicon-chromium alloy steel wire spring for high-temperature valves and engines. Classified 7320.90.5020 as other wire spring (≤16mm wire), valued for heat/ fatigue resistance. Automotive and aerospace applications.
Duty Rate — Japan → United States
12.9%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Chemical composition analysis mandatory for alloy verification
• Temperature ratings in specs distinguish from standard springs